David S. Peterson
Magnesium Treatment
Question: We are a company that makes parts of aluminum as luminaries, car rearviews, TV tables, etc.
Read MoreTesting for Effectiveness of Aluminum Sheet Cleaning
Question: We are currently using a dyne solution as well as water break test to determine the effectiveness of our aluminum sheet cleaning.
Read MoreLocal/Spot Passivation
Question: I have been asked to create a validation protocol for localized/spot passivation.
Read MoreThe Lubricant Switch
Question: I recently switched metalworking lubricants in my forming operation.
Read MorePainting Stainless Steel Alloy 304
Question: I would like to know if it is possible to paint stainless 304 with a high solids epoxy type paint (per Mil-C-22750). If not, can you recommend a paint type that would be more suitable for this alloy.
Read MoreSteel Pretreatment Prior to Powder Coat
Question: What pretreatments would you suggest for hot-rolled, cold-rolled, and satin finish steel prior to powder coating?
Read MoreCopper Pipe Bright Dip
Question: We manufacture copper piping components that have attachments soldered, brazed and silver soldered in and on the tubes.
Read MoreAluminum Oxide Impregnation
Question: Having read your article online concerning aluminum oxide impregnation (February 2003), I am curious.
Read MoreChrome Deposits
Question: Will cleaners formulated with phosphoric acid degrade the chrome finish on brass fixtures?
Read MoreAluminum Oxide Impregnation Article
Question: I found your article on “aluminum oxide impregnation” most interesting.
Read MoreCleaning Used Hooks & Racks
In my column for December 2001, I outlined some possible paint stripping solutions for R.R.
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